ipv6: fix IPv6 address matching algorithm
Merge pull request #2007 from authmillenon/ipv6-match-fix

ipv6: fix IPv6 address matching algorithm
drivers/at86rf21: add and improve debug messages
Merge pull request #2008 from thomaseichinger/at86rf23x-debugs

drivers/at86rf21: add and improve debug messages
native: fix Makefiles for OSX
Merge pull request #2009 from thomaseichinger/native-fix

native: fix Makefiles for OSX